Related Clues:
- Like krypton and some other gases
- Powerless to act, as a gas
- Nonreactive, as helium
- Like krypton or radon
- Like gas that can't pass?
- Like xenon or radon
- Company shares sold by the banks frozen
- Bitter line in joke
- Like a sluggish gas
- Sluggish trainer tires somewhat
- Less than total abstainer tipples still
- Still batting, openers from England rarely tested
- Like most elements ending in "-on"
- Like pizza for breakfast, often
- Showing little energy